<?php

require_once 'db_conn.php';
header("content-type:text/html;charset=utf-8");
$username = $_POST['username'];

$password = $_POST['password'];

$sql = "
select *
from user
where account='username'
    and password='$password'
 limit 1 ;

";

$result = $conn->query($sql);
if($result->num_rows>0){
    echo "正确";
}else {
	echo "用户名或密码错误！";
   
}
